Esther Park, DO
Dr. Park is a board certified child & adolescent, and adult psychiatrist. She established Oak Health Center after recognizing the growing demand for great mental health providers. She trained to be a doctor at Kirksville College of Osteopathic Medicine, and did her psychiatry training at LAC/USC Medical Center. Dr. Park has more than ten years of outpatient clinical experience treating children and adults.
Stella Kim, MD
Dr. Kim is a board certified psychiatrist who treats adult patients. She earned her medical degree at Loma Linda University School of Medicine and completed her residency training at University of California, Irvine. She has been practicing psychiatry for more than 9 years. She is also a wife and mother of 2 children.
Steven Calleros, MD
Dr. Calleros is a board certified psychiatrist who specializes in treating children and adolescents. He earned his MD at Drexel University and did his psychiatry residency at LAC/USC Medical Center. He’s been treating clients in an outpatient setting for over 10 years. Dr. Calleros also speaks Spanish and is a husband and father.
Therese Mascardo, PsyD
Dr. Therese is a clinical psychologist who is also an accomplished speaker and writer. She majored in psychology at UC Berkeley and earned her Doctor of Psychology degree at the California School of Professional Psychology. She has extensive experience working with people with disabilities and is a CAPED-certified learning disability specialist.
Kimberly Hahm, LMFT
Kimberly is a licensed marriage & family therapist who has been treating children, adolescents, and adults for 15 years. She earned her degree at Hope International University. She is also a wife and a mother.
Hanna Chung, LMFT
Hanna is a licensed marriage and family therapist. She earned her degree in Psychology at UCLA, and her graduate degree at Fuller Theological Seminary. She has been treating individuals (children, adolescents, and adults) and families for over 7 years. Hanna also speaks Korean, and enjoys being a wife and mother.
Bethany Tucker, MD
Dr. Tucker is a board certified psychiatrist who treats adult patients. She earned her medical degree at University of Washington, School of Medicine and completed her residency training at University of Southern California, School of Medicine. She has been practicing psychiatry for more than 13 years.
Emily Yee, M.D.
Dr. Yee is a board-eligible child & adolescent psychiatrist. She earned her medical degree at the University of Texas Health Science Center at San Antonio. She completed her residency, chief resident year, and fellowship training at the University of California, Irvine. She is also a wife and mother.
Maria Garcia, LMFT
Maria is a licensed marriage and family therapist who has been treating children, adolescents, and adults for 10 years. She earned her degree at California State University, Fullerton.